normal pressures中文什么意思

常压

• normal:    adj. 1.正常的，平常的，普通的 ...
• pressure:    n. 1.压；按；挤；榨。 2.【物 ...
• at normal temperatures and pressures:    在常温常压下

例句与用法

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1. Compressibility(b)is the measure of volume changes when a substance is subjected to changes in normal pressures or tensions .
   压缩系数（B）就是当物质承受的法向压力或法向张力变化时其体积变化的度量。
2. Under normal pressure the pure product is colorless liquid , , c
   常压纯品为无色液体， c
3. Heat supply design and regulating of normal pressure hot - water boiler
   常压热水锅炉供热设计与调节
4. Gcp series normal pressure pouring machine
   Gcp系列常压灌装机
5. Preparation of silicon nitride ceramic materials under normal pressure
   常压下制备氮化硅陶瓷材料的研究